<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <!-- 虚拟dom -->
    <!-- 通过js去模拟dom结构 -->
    <ul id="list">
        <li class="list-item">first item</li>
        <li class="list-item">second item</li>

    </ul>


    <script>
        {
            tag: 'ul',
            attrs: {
                id: 'list'
            },
            children: [{
                tag: 'li',
                attrs: {
                    className: 'list-item'
                },
                children: ['first item']
            }, {
                tag: 'li',
                attrs: {
                    className: 'list-item'
                },
                children: ['second item']
            }]
        }
    </script>
</body>

</html>